package com.qf.day08.zuoye01;

import java.awt.print.Book;

/**
 * 写使用BookServcie接口的测试代码
 */
public class Demo01 {
    public static void main(String[] args) {
        BookService bookService = null;
        Book book = new Book();

        //添加测试book方法
        bookService.addBook(book);
    }
}
